Figure 1. Location of the eastern region of Kochi Prefecture. The Kochi Prefecture is located in the southwestern part of Japan and has a mild and rainy climate. The eastern region of Kochi Prefecture is a blacktop area under the jurisdiction of the Aki Public Health Center of the Kochi Prefectural government.
Figure 3. Number of cases of Japanese spotted fever by month. The number of cases per month was 14 in October, 13 in November, 12 in August, and 10 in May, with most cases occurring in autumn, early summer, and summer; however, cases also occurred in winter.